From: Antonio Ospite Date: Sat, 27 Jul 2013 23:11:42 +0000 (+0200) Subject: contrib: add some benchmarking data about am7xxx_send_image_async X-Git-Tag: v0.1.4~1 X-Git-Url: https://git.ao2.it/libam7xxx.git/commitdiff_plain/616f2547428a38aee9e0c8a59d71a0583e86e9aa?ds=sidebyside contrib: add some benchmarking data about am7xxx_send_image_async --- diff --git a/contrib/performance/0001-Instrument-code-with-fps-meter.patch b/contrib/performance/0001-Instrument-code-with-fps-meter.patch new file mode 100644 index 0000000..5c133ee --- /dev/null +++ b/contrib/performance/0001-Instrument-code-with-fps-meter.patch @@ -0,0 +1,65 @@ +From dc6b216ffea1e80fd3f43d6144eb679a193f5666 Mon Sep 17 00:00:00 2001 +From: Antonio Ospite +Date: Sun, 28 Jul 2013 01:06:41 +0200 +Subject: [PATCH] Instrument code with fps-meter +X-Face: z*RaLf`X<@C75u6Ig9}{oW$H;1_\2t5)({*|jhM/Vb;]yA5\I~93>J<_`<4)A{':UrE + +Instrument code with fps-meter: +http://git.ao2.it/experiments/fps-meter.git/ +--- + examples/CMakeLists.txt | 2 +- + examples/am7xxx-play.c | 4 ++++ + 2 files changed, 5 insertions(+), 1 deletion(-) + +diff --git a/examples/CMakeLists.txt b/examples/CMakeLists.txt +index c77a812..23af8a9 100644 +--- a/examples/CMakeLists.txt ++++ b/examples/CMakeLists.txt +@@ -1,5 +1,5 @@ + include(CheckSymbolExists) +-add_definitions("-D_POSIX_C_SOURCE=2") # for getopt() ++add_definitions("-D_POSIX_C_SOURCE=200112L") # for getopt() + add_definitions("-D_POSIX_SOURCE") # for sigaction + add_definitions("-D_BSD_SOURCE") # for strdup + +diff --git a/examples/am7xxx-play.c b/examples/am7xxx-play.c +index 3230e67..17228bf 100644 +--- a/examples/am7xxx-play.c ++++ b/examples/am7xxx-play.c +@@ -34,6 +34,7 @@ + #include + + #include ++#include "fps-meter.h" + + /* On some systems ENOTSUP is not defined, fallback to its value on + * linux which is equal to EOPNOTSUPP which is 95 +@@ -292,6 +293,7 @@ static int am7xxx_play(const char *input_format_string, + int got_picture; + int got_packet; + int ret; ++ struct fps_meter_stats stats; + + ret = video_input_init(&input_ctx, input_format_string, input_path, input_options); + if (ret < 0) { +@@ -354,6 +356,7 @@ static int am7xxx_play(const char *input_format_string, + goto cleanup_out_buf; + } + ++ fps_meter_init(&stats); + while (run) { + /* read packet */ + ret = av_read_frame(input_ctx.format_ctx, &in_packet); +@@ -438,6 +441,7 @@ static int am7xxx_play(const char *input_format_string, + run = 0; + goto end_while; + } ++ fps_meter_update(&stats); + } + end_while: + if (!output_ctx.raw_output && got_packet) +-- +1.8.3.2 + diff --git a/contrib/performance/1024x768_am7xxx_send_image.log b/contrib/performance/1024x768_am7xxx_send_image.log new file mode 100644 index 0000000..e47ce9e --- /dev/null +++ b/contrib/performance/1024x768_am7xxx_send_image.log @@ -0,0 +1,51 @@ +14.95 +27.28 +26.73 +23.77 +25.37 +25.30 +25.36 +27.28 +27.73 +27.28 +27.28 +27.28 +27.28 +26.74 +28.26 +26.66 +27.83 +28.26 +27.73 +28.72 +27.71 +28.27 +28.22 +28.31 +28.72 +28.26 +27.81 +26.75 +28.74 +27.73 +27.73 +28.72 +28.72 +28.72 +29.71 +28.26 +29.23 +29.23 +28.27 +27.73 +26.30 +25.91 +23.39 +21.78 +22.77 +27.37 +29.24 +24.38 +27.73 +28.72 +29.23 diff --git a/contrib/performance/1024x768_am7xxx_send_image_async.log b/contrib/performance/1024x768_am7xxx_send_image_async.log new file mode 100644 index 0000000..a2286cd --- /dev/null +++ b/contrib/performance/1024x768_am7xxx_send_image_async.log @@ -0,0 +1,51 @@ +46.89 +48.35 +48.85 +48.95 +48.78 +49.18 +49.48 +49.61 +49.85 +50.15 +50.24 +49.53 +51.15 +48.98 +47.42 +48.27 +49.07 +49.97 +49.38 +47.96 +49.70 +49.00 +42.21 +45.65 +49.18 +50.22 +49.65 +49.12 +50.50 +53.49 +53.22 +52.99 +53.95 +53.62 +53.98 +53.60 +54.64 +53.96 +54.92 +54.42 +53.65 +54.68 +52.16 +52.81 +53.74 +55.24 +55.50 +56.83 +56.43 +56.39 +57.70 diff --git a/contrib/performance/README b/contrib/performance/README new file mode 100644 index 0000000..c00b8db --- /dev/null +++ b/contrib/performance/README @@ -0,0 +1,7 @@ +Menchmark methodology + + - Code instrumented with fps-meter + - Data acquired with this commdn line: + am7xxx-play -f x11grab -i :0 -o video_size=1024x768 + - Sampling repeated with either am7xxx_send_image or am7xx_send_mage_async + - Results compared with ministat diff --git a/contrib/performance/ministat_report_1024x768.log b/contrib/performance/ministat_report_1024x768.log new file mode 100644 index 0000000..f3ab0a0 --- /dev/null +++ b/contrib/performance/ministat_report_1024x768.log @@ -0,0 +1,21 @@ +x 1024x768_am7xxx_send_image.log ++ 1024x768_am7xxx_send_image_async.log ++--------------------------------------------------------------------------+ +| x x + | +| xxx + | +| xxxx + | +| xxxx ++ | +| xxxx +++ + | +| xxxxx +++ ++ | +| x xxxxx +++ ++++ | +| xxxxxxx + ++++ +++++ + | +|x xxxxx xxxxxxxx + + ++++++++ ++++++ +++| +| |___AM__| |__M_A____| | ++--------------------------------------------------------------------------+ + N Min Max Median Avg Stddev +x 51 14.95 29.71 27.73 27.073529 2.4377185 ++ 51 42.21 57.7 50.22 51.278627 3.1996344 +Difference at 95.0% confidence + 24.2051 +/- 1.1175 + 89.405% +/- 4.12765% + (Student's t, pooled s = 2.8443)